Sound in mail arrival
Question : How do you change the "new mail" sound that plays when messages arrive in Apple Mail?
Answer : If you would like a more personalized alert when e-mail lands in your in-box, you have to
change the setting. Go to the Mail menu in the Mac's menu bar when you have the program open and select
the Preferences option. Click the General tab. Next to "New mail sound," there is a drop-down menu where
you can select an alternate audio alert.
If you do not see what you want on the list, select the Add/Remove option at the bottom. This brings
up a list of the files in your user account's Library/Sounds folder. To add a sound clip that is not there, click
the Add button and navigate to the sound file's location on your computer.
Files in the AIFF and MP3 formats work with Mac OS X. Click the Done button when you are finished
and your new sound should be available in the list of possible mail alerts.